A roller coaster car is at the highest point of its track and is about to descend. If the mass of the car and its passengers is doubled while keeping the height and gravity constant, how does the gravitational potential energy at the top compare to the original scenario?

Question

A roller coaster car is at the highest point of its track and is about to descend. If the mass of the car and its passengers is doubled while keeping the height and gravity constant, how does the gravitational potential energy at the top compare to the original scenario? — Exam MCQ

rrbjepyq.in · Accepted Answer

D. The gravitational potential energy is doubled — Gravitational potential energy is U = mgh, so it increases directly with mass and height when g is constant.

rrbjepyq.in · Answer

A. The gravitational potential energy is unchanged

rrbjepyq.in · Answer

B. The gravitational potential energy is quadrupled

rrbjepyq.in · Answer

C. The gravitational potential energy is halved

A roller coaster car is at the highest point of its track and is about to descend. If the mass of the car and its passengers is doubled while keeping the height and gravity constant, how does the gravitational potential energy at the top compare to the original scenario?

📚 Related Questions — Gravitation